Bull HN Information Systems Italia S.p.A.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS 1101

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5447384 Serial printer having printing support conveying lidJul 28, 94Sep 05, 95[B41J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6125463 Integrated circuit with serial test interface and logic for loading a functional register using said interfaceExpiredJun 08, 98Sep 26, 00[G01R]
5640191 Resolution transforming raster based imaging system and related transformation methodExpiredMar 23, 95Jun 17, 97[H04N, B41J]
5617013 Power supply with power factor correction and protection against failures of the power factor correctionExpiredMar 23, 95Apr 01, 97[G05F]
5601374 Endless ink ribbon cartridge with protected ribbon splice, and a protection arrangement thereforExpiredOct 11, 95Feb 11, 97[B41J]
5544966 Printer with multifunctional paper handling capabilityExpiredMar 07, 95Aug 13, 96[B41J]
5533150 Method and apparatus for improving the display of greys in a two-tone digitized imageExpiredApr 22, 94Jul 02, 96[H04N]
5512996 Electrophotographic apparatus incorporating offset stackingExpiredJul 06, 94Apr 30, 96[G03B]
5454649 Wire printhead with armature biasing mechanismExpiredApr 14, 94Oct 03, 95[B41J]
5385415 Dot matrix printing head with variable armature abutmentsExpiredApr 28, 94Jan 31, 95[B41J]
5373569 Apparatus for realtime detection of digitalized image defects and their correction in the visualization processExpiredMay 14, 93Dec 13, 94[G06K]
5321433 Electrophotographic printing apparatus with enhanced printed image capabilityExpiredNov 05, 92Jun 14, 94[H04N]
5274789 Multiprocessor system having distributed shared resources and dynamic and selective global data replicationExpiredFeb 25, 91Dec 28, 93[G06F]
5250995 Electrophotographic developing apparatus having image quality improving devicesExpiredJul 17, 91Oct 05, 93[G03G]
5218690 VME-MULTIBUS II interface adapter for protocol conversion and for monitoring and discriminating accesses on the MULTIBUS II system busExpiredMay 10, 90Jun 08, 93[G06F]
5214776 Multiprocessor system having global data replicationExpiredOct 18, 89May 25, 93[G06F]
5182808 Multiprocessor systems having distributed shared resources and deadlock preventionExpiredOct 20, 89Jan 26, 93[G06F]
5165028 Cache memory having pseudo virtual addressingExpiredMar 07, 89Nov 17, 92[G06F]
5157771 Apparatus for hot removal from/insertion to a connection bus of a non removable media magnetic recording unitExpiredJun 08, 89Oct 20, 92[G06F]
5115498 Local memory fast selecting apparatus including a memory management unit (MMU) and an auxiliary memoryExpiredFeb 27, 89May 19, 92[G06F, G11C]
5074686 Automatic gap adjustment apparatus for printing headExpiredMar 08, 90Dec 24, 91[B41J]

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